Diamond file head



FIG. 1 is a perspective view of a diamond file head showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left end elevational view thereof; and,

FIG. 7 is a right end elevational view thereof.

The broken line portions of the drawing are for illustrative purposes only and form no part of the claimed design.

The abrasive surfaces have been shown fragmentarily for ease of illustration. 

The ornamental design for a diamond file head, as shown and described. 